Home / 909,247.32-1,254,703.28-501,351.80

Finding the Fourth Proportional to 909,247.32, 1,254,703.28 and 501,351.80

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Solution

The fourth proportional to 909,247.32, 1,254,703.28 and 501,351.80 is: 691,833.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,247.32 : 1,254,703.28 = 501,351.80 : x
  2. Step 2: Convert to fraction form
    909,247.32/1,254,703.28 = 501,351.80/x
  3. Step 3: Cross multiply
    909,247.32x = 1,254,703.28 × 501,351.80
  4. Step 4: Simplify right side
    909,247.32x = 629,047,739,113.63
  5. Step 5: Solve for x
    x = 629,047,739,113.63/909,247.32
  6. Step 6: Final answer
    x = 691,833.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.